Motor Control Quiz
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Questions and Answers

What is necessary for the nervous system to control movement?

  • Ignoring sensory information
  • Relying solely on proprioception
  • Isolation from sensory information
  • Integration of multimodal sensory information (correct)

    • How many motor neurons control the contraction of ~600 muscles in humans?

  • ~150,000 (correct)
  • ~50,000
  • ~200,000
  • ~100,000

    • What is motor control?

  • Conscious voluntary movements only
  • Regulation of movements in organisms with a nervous system (correct)
  • Regulation of movements in organisms without a nervous system
  • Only subconscious muscle memory

    • What do some researchers argue is the reason for the existence of brains?

    <p>Motor control</p> Signup and view all the answers

    What are a single motor neuron and the muscle fibers it innervates called?

    <p>Motor unit</p> Signup and view all the answers

    What is the range of wavelengths to which a typical human eye will respond?

    <p>380–750 nanometers</p> Signup and view all the answers

    Which term is used for colors containing only one wavelength?

    <p>Pure colors</p> Signup and view all the answers

    What phenomenon causes the midday sky to appear blue?

    <p>Blue light scattering more in clean air</p> Signup and view all the answers

    What is the approximate frequency range corresponding to the visible spectrum?

    <p>400–790 terahertz</p> Signup and view all the answers

    Which parts of the electromagnetic spectrum are sometimes included in the optical spectrum?

    <p>Ultraviolet and infrared</p> Signup and view all the answers

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